Fix Windows Defender SSL Certificate Errors from Antivirus Interference
You might see SSL certificate errors in your browser or applications even when the certificate is...
Checklists for software errors, setup, and tool workflows.
1. Reproduce
2. Isolate
3. Apply
4. Verify
Latest checklists
View listMicrosoft Store Authentication Failed After Update: Fixes
After a Windows update, you might see "Authentication failed" when trying to sign in to the Micro...
How to Activate Windows with a Digital License
If you've upgraded to Windows 10 or 11 from a previous version, or bought a new PC with Windows p...
Checklist for Troubleshooting Chrome 504 Error
You're browsing in Chrome and suddenly see 504 Gateway Timeout. The page won't l...
How to Make Outlook Start Automatically When Windows Boots
You may want Outlook to open automatically every time you start your computer, so you don't have ...
How to Fix 502 Bad Gateway in Command Prompt
If you see a 502 Bad Gateway error while using command prompt—for instance when ...
Topic paths
Quick titles
Troubleshoot Windows Terminal VPN IssuesHow to Fix 'repository not found' When Adding Git RemoteTroubleshooting Chrome Connection Refused with Cert ErrorsHow to Resolve OpenVPN Timeout ErrorsChrome Crash Log Location GuideResolve 504 Gateway Timeout on Windows UpdateHow to Troubleshoot 502 Bad Gateway from CMDFix Windows Terminal Not Loading Settings